Description

Cyclopentanecarboxylic Acid, 3-(Hydroxyimino)-, [R-(E)]- (9Ci) CAS NO 180323-33-5 is a high-purity chiral oxime derivative of cyclopentanecarboxylic acid, serving as a critical advanced intermediate in sophisticated organic synthesis. Its precise stereochemistry and functional groups make it an indispensable building block for constructing complex molecules with specific spatial configurations. This compound is primarily utilized by research institutions and pharmaceutical development teams focused on creating novel active pharmaceutical ingredients (APIs), agrochemicals, and specialty fine chemicals.

Application

• Pharmaceutical Intermediate: A key chiral synthon in the research and development of novel therapeutic agents, particularly for central nervous system (CNS) and metabolic disorder targets.
• Agrochemical Synthesis: Used in the production of advanced, stereoselective pesticides and herbicides where specific isomer activity is required.
• Asymmetric Catalyst Ligand Precursor: Serves as a starting material for synthesizing specialized ligands used in enantioselective catalysis.
• Fine Chemical Manufacturing: Employed in the multistep synthesis of complex fragrance molecules, flavors, and other high-value specialty chemicals.
• Academic & Industrial Research: A valuable reagent for methodological studies in organic chemistry, particularly in reactions involving oximes and carboxylic acid derivatives.

Basic Information

Product Name	Cyclopentanecarboxylic Acid, 3-(Hydroxyimino)-, [R-(E)]- (9Ci)
CAS No.	180323-33-5
Molecular Formula	C6H9NO3
Molecular Weight	143.14 g/mol
Synonyms	(R,E)-3-(Hydroxyimino)cyclopentanecarboxylic Acid; (3E)-3-(Hydroxyimino)cyclopentanecarboxylic Acid, (3R)-; 3-(Hydroxyimino)cyclopentanecarboxylic Acid, (R-(E))-; 180323-33-5; (R,E)-3-(Hydroxyimino)cyclopentane-1-carboxylic Acid; Cyclopentanecarboxylic acid, 3-(hydroxyimino)-, (3R,3E)-; (3R,3E)-3-(Hydroxyimino)cyclopentanecarboxylic Acid
EINECS	Contact for details

Quality Control

Every batch of Cyclopentanecarboxylic Acid, 3-(Hydroxyimino)-, [R-(E)]- (9Ci) is manufactured under strict quality management systems. Our products undergo rigorous analytical testing to ensure compliance with exacting purity and stereochemical integrity standards required for advanced synthetic applications. A comprehensive Certificate of Analysis (COA) detailing identity, purity (HPLC/Chiral HPLC), and impurity profile is provided with each shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). This compound is hygroscopic (moisture-sensitive); therefore, containers must be kept tightly sealed to exclude moisture. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Chiral Purity (Chiral HPLC)	≥ 99.0% ee
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.